*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
}
.box{
    width: 990px;
    margin:60px auto;
}
.logo{
    margin-bottom: 30px;
}
.logo span{
    font-size: 23px;
}
.shangpin p{
    height: 30px;
    width: 90px;
    color: red;
    border-bottom: 1px solid red;
}
.nav{
    height: 44px;
    width: 100%;
    background: #eee;
    border-bottom: 2px solid #999;
}
.nav ul li{
    float: left;
    line-height: 44px;
    font-size: 14px;
}
.nav-1{
    margin-right: 96px;
    margin-left: 10px;
}
.nav-2{
    margin-right: 442px;
}
.nav-3{
    margin-right: 65px;
}
.nav-4{
    margin-right: 100px;
}
.nav-5{
    margin-right: 40px;
}
.nav-nav{
    background: #fef4e8;
}
.fl{
    float: left;
}
.cl::after{
    content: '';
    display: table;
    clear: both;
}
.meilun{
    font-size: 14px;
    margin: 0 27px;
}
input{
    width: 35px;
}
.shu{
    margin-left: 10px;
}
.jiage{
    width: 80px;
    margin-left: 67px;
}
.shan{
    margin-left: 14px;
}
.nav-li{
    padding: 10px;
}
tr{
    padding: 10px;
}
table{
    background: #fef4e8;
    padding: 10px;
}
.zong{
    float: right;
    margin-top: 20px;
}
.shan{
        cursor: pointer;
}